Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
A&P2 lecture exam
| Question | Answer |
|---|---|
| What control mechanism occurs when hormone “A” stimulates hormone “B,” and hormone “B” then inhibits hormone “A”? | Negative feedback |
| What structure on a cell determines whether it will respond to a hormone? | Receptor |
| What hormone increases ATP production after binding to receptors on the mitochondria? | Thyroid hormone |
| A decrease in blood calcium levels is what type of stimulus for hormone secretion? | Humoral |
| Epinephrine, norepinephrine, melatonin, and thyroid hormones are examples of what? | Amino acid derivatives |
| Which hormone is the only one regulated by positive feedback? | Oxytocin |
| Which pancreatic hormone is released when blood glucose levels rise and allows glucose to enter cells? | Insulin |
| If a person were dehydrated, what hormone would be released by the posterior pituitary gland? | Antidiuretic hormone (ADH) |
| Birth control with high estrogen & progesterone inhibits which hormones to prevent ovulation? | FSH and LH |
| What two hormones target the mammary glands? | Prolactin and oxytocin |
| Adrenaline, cortisol, and glucagon all target what organ? | Liver |
| What are the major targets of growth hormone (GH)? | Bone and skeletal muscle |
| Adrenaline, cortisol, and glucagon all regulate what in the blood? | Glucose |
| The thymus gland secretes a hormone involved in what? | T cell maturation |
| What is the most important hormone in calcium homeostasis in the blood? | Parathyroid hormone (PTH) |
| Aldosterone regulates what? | Na⁺ reabsorption & K⁺ secretion |
| Aldosterone, ADH, and ANP all regulate what? | Blood volume & pressure |
| What type of diabetes occurs when cells in muscle, fat, & liver become resistant to insulin? | Type 2 diabetes mellitus |
| Hypersecretion of thyroid hormone from an autoimmune disorder (with protruding eyes) is called? | Grave’s disease |
| Hyperparathyroidism may cause what organ to soften and deform? | Bone |
| Excessive thirst (sign of diabetes mellitus) is called what? | Polydipsia |
| Which function does NOT describe glucocorticoids? | Stimulate red blood cell production in red bone marrow |
| What is the fluid portion/matrix of blood? | Plasma |
| Where are blood cells produced in an adult? | Red bone marrow |
| Which of the following is FALSE regarding the color of blood? | Deoxygenated blood is blue in the human body |
| Which vitamin is needed to make RBCs? A deficiency causes pernicious anemia. | Vitamin B12 |
| What effect does decreased oxygen to the kidneys have on erythropoietin levels? | Increase |
| Another name for a WBC is: | Leukocyte |
| If a blood sample has fewer than normal platelets, what function would be impaired? | Blood clotting |
| What protein & mineral are found in RBCs to transport oxygen? | Hemoglobin; iron |
| Elevated neutrophils indicate what? | Bacterial infection |
| Which factor would increase hematocrit? | Dehydration & EPO |
| A blood clot in the heart could cause a: | Heart attack |
| In the last step of clotting, fibrinogen is converted to: | Fibrin |
| The mechanism that stops bleeding and prevents blood loss is called: | Hemostasis |
| If a clot moves from its original location, it is called a(n): | Embolus |
| What ion and vitamin are necessary for clotting? | Calcium; Vitamin K |
| What plasma protein reacts with foreign antigens (acts like a “security guard”)? | Antibody |
| If someone has anti-A antibodies in plasma, what is their blood type? | Type B |
| Which statement is TRUE about someone with type O+ blood? | Has Rh factor but not A or B antigens on RBCs |
| What condition occurs when bilirubin leaks into tissues, causing yellow skin/eyes? | Jaundice |
| A disease that causes liver damage would affect fibrinogen’s role in: | Blood clotting |
| An inherited blood disorder where too many RBCs are destroyed and causes pain: | Sickle cell anemia |
| Which inherited bleeding disorder results from deficiency in clotting factors? | Hemophilia |
| Why can renal disease cause anemia? | Lack of erythropoietin (EPO) |
| What is another name for a “clot buster” drug that dissolves clots? | t-PA |
| Elevated neutrophils indicate what? | Bacterial infection |
| Which of the following is NOT a formed element? | Plasma |
| Another name for RBCs is __________ and the formation of RBCs is called __________. | Erythrocyte; Erythropoiesis |
| The primary function of erythrocytes is: | Carry gases |
| Which of the following would increase hematocrit? | Dehydration |
| Most of the oxygen in the blood is… | Bound to hemoglobin |
| What mineral is found in hemoglobin to transport with oxygen? | Iron |
| Where are blood cells produced in an adult? | Red bone marrow |
| What effect does a decrease in oxygen supply to the kidneys have on erythropoietin levels? | Increase |
| What is the condition called when bilirubin leaks into tissues and causes the whites of the eyes and skin to appear yellow? | Jaundice |
| _________ is a condition where there is low RBC count or hemoglobin content? | Anemia |
| Someone that has elevated levels of eosinophils could indicate this condition. | Parasitic infection |
| Which WBC would be elevated in a person producing large amounts of antibodies to fight an infection? | Lymphocyte |
| What ion/mineral is necessary for hemostasis? | Calcium |
| A blood clot that travels into the lungs and blocks a blood vessel is called: | Pulmonary embolism |
| Which bleeding disorder results from a platelet deficiency? | Thrombocytopenia |
| A person's blood type is determined by the: | Presence or absence of specific antigens on RBCs |
| Which statement is true regarding the blood of an individual with Type AB? | Type AB blood does not contain A or B antibodies |
| Estrogen, progesterone, testosterone, and aldosterone are all examples of: | Steroids |
| Water-soluble hormones can't get into the target cell. How do they get their message in? | They use second messengers |
| What organ stimulates the release of anterior pituitary hormones? | Hypothalamus |
| ADH & oxytocin are made in the ________ but stored in the posterior pituitary. | Hypothalamus |
| Removal of parathyroid glands would interrupt homeostasis of what mineral? | Calcium |
| What mineralocorticoid regulates sodium reabsorption and potassium secretion? | Aldosterone |
| What two hormones are involved in the glucose-sparing effect? | Growth hormone and cortisol |
| The kidneys secrete erythropoietin (EPO) to stimulate ______________ by the _______________. | Red blood cell production; red bone marrow |
| Which hormone released from the heart has the opposite effect as aldosterone? | Atrial natriuretic peptide (ANP) |
| Hypersecretion of growth hormone in adults results in: | Acromegaly |
| The thyroid gland needs ________ from the diet to make thyroid hormones. Lack of it causes goiter. | Iodine |
| Which type of diabetes is an autoimmune disorder destroying pancreatic cells? | Type 1 diabetes mellitus |
| Mammary glands are targets for which hormone? | Prolactin |
Created by:
mahak
Popular Anatomy sets